Definition of "showable"

Elvis must have become a new religion, at least in her eyes (and in the eyes of the people who bought her product)! Just like Mabe's unique showables, the wart and the toenail, many people have a unique story they could recall about Elvis, […]

1999, Steven Opdyke, The printed Elvis: the complete guide to books about the king, page 183

For Meinong's extraordinary work on emotional presentation will provide a series of ideas and distinctions that will enable us to push a bit further the idea of what we might call literary showables.

2019, Peter J. McCormick, Modernity, Aesthetics, and the Bounds of Art, page 161